Controllable Synthesis and Luminescence Properties of La(OH)3 and La(OH)3:Tb3+ Nanocrystals with Multiform Morphologies

被引：52
作者：
Jia, Guang [1 ,2 ]
Huang, Yeju [1 ,2 ]
Song, Yanhua [1 ,2 ]
Yang, Mei [1 ,2 ]
Zhang, Lihui [1 ,2 ]
You, Hongpeng [1 ]
机构：
[1] Chinese Acad Sci, Changchun Inst Appl Chem, State Key Lab Rare Earth Resource Utilizat, Changchun 130022, Peoples R China
[2] Chinese Acad Sci, Grad Univ, Beijing 100049, Peoples R China
来源：
EUROPEAN JOURNAL OF INORGANIC CHEMISTRY | 2009年 / 25期
基金：
中国国家自然科学基金;
关键词：
Lanthanum; Hydrothermal synthesis; Polymorphism; Luminescence; Nanostructures; OPTICAL-PROPERTIES; FABRICATION; NANORODS; PHOSPHOR; NANOSTRUCTURES; NANOWIRES; NANOTUBES; PHOTOLUMINESCENCE; PARTICLES; HYDROXIDE;
D O I：
10.1002/ejic.200900495
中图分类号：
O61 [无机化学];
学科分类号：
070301 ; 081704 ;
摘要：
One-dimensional La(OH)(3) nanocrystals with multiform morphologies have been successfully synthesized by a facile bydrothermal process without using any surfactant, catalyst, or template. It can be found that the pH values of the initial solutions and the alkaline sources play a crucial role in controlling the morphologies of the products. The possible formation process of the 1D samples was investigated in detail, Furthermore, the as-prepared Tb3+-doped La(OH)(3) samples show a strong green emission corresponding to D-5(4)-F-7(5) transition of the Tb3+ ions under ultraviolet or low-voltage excitation. The experimental results indicate that the luminescence properties of the as-obtained phosphors are dependent on their morphologies and sizes. As a result of the unique luminescence properties and controllable morphology and size, these phosphors may find potential applications in fields such as optoelectronic and nanoscale devices or biological technology. ((C) Wiley-VCH Verlag GmbH & Co. KGaA, 69451 Weinheim, Germany, 2009)
引用
收藏
页码：3721 / 3726
页数：6
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